乙硫醇 、 (5R,5aR,8aR,9R)-5-[3,4-Bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-9-(2-trimethylsilanyl-ethoxymethoxy)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
以83%的产率得到(5R,5aR,8aR,9S)-5-[3,4-Bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-9-ethylsulfanyl-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one